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The 8 best commercial builders in Darwin

Darwin builders for commercial projects of roughly $500,000 to $50 million: office and clinic fitouts, retail and hospitality, warehouses and small unit or townhouse developments. Not the major contractors. Every builder's registration was checked on the NT register of building practitioners.

Updated October 2026.

Builders listed
8
Licences confirmed on the register
8 of 8
Average Google rating
4.0
Google reviews, combined
46
Builders paying to be here
None
  • LicenceA current Building Practitioners Board builder licence, matched to the business.
  • ReputationIndependent reviews, awards and years trading.
  • Right kind of workCommercial fitouts, industrial builds or small unit projects shown on their own site.
  • No paid placesNobody pays to be listed or to move up.

Commercial builders in Darwin, ranked

These builders show completed commercial work at this scale on their own sites. They're ranked on fit for that work, reputation and track record.

  1. 1

    Aspire Design & Construct

    Berrimah. Darwin and the Top End

    Best for design and construct for health, childcare and hospitality

    • Won five categories at the 2026 Master Builders NT awards, from fitouts to aged care.
    • Its Smith Street Dental fitout won the 2026 award for fitouts over $1 million.
    • Directors Jim Eadie and Lisa Jenkinson bring over 50 years' combined experience, the firm says.
    • Runs design and construction as one integrated process, the firm says.
    NT builder registration
    342245ZU Checked
    Building since
    2022
    Builds
    Design and construct, Fitouts, Medical, Aged care, Childcare
    More about Aspire Design & Construct

    Aspire Design & Construct was formed by Darwin locals Jim Eadie and Lisa Jenkinson and works mainly on commercial projects: offices, shop and hospitality fitouts, education and childcare buildings, council and government work, and some high-end homes. It runs design and construction as one process, and can also take on parts of a project.

    Its projects include the Darwin International Airport retail precinct, the Charles Darwin University trade training centre and Kentish childcare. At the 2026 Master Builders NT awards it won Health Facility of the Year for the Southern Cross Care Pearl aged care facility, plus awards for a childcare centre, a dental fitout and site safety.

    Awards: 2026 Master Builders NT Excellence in Building and Construction Awards: Health Facility of the Year, winner (Southern Cross Care Pearl); 2026 Master Builders NT Excellence in Building and Construction Awards: Commercial/Industrial Construction $10 million to $20 million, winner; 2026 Master Builders NT Excellence in Building and Construction Awards: Commercial/Industrial Construction under $5 million, winner (Virginia Childcare); 2026 Master Builders NT Excellence in Building and Construction Awards: Commercial and Retail Fit out over $1 million, winner (Smith Street Dental)

    0417 896 241Visit website
  2. 2

    Sunbuild

    Winnellie. Darwin and the Northern Territory

    4.6 from 20 Google reviews

    Best for mid-size commercial, apartment and fitout projects

    • Family business since 1994, with more than 320 projects completed, according to the firm.
    • Won two 2026 Master Builders NT commercial categories, including Palmerston Central.
    • Holds ISO 9001, ISO 45001 and ISO 14001 accreditation and CAL registration, the firm says.
    NT builder registration
    190720ZU Checked
    Building since
    1994
    Builds
    Commercial, Fitouts, Multi-residential, Industrial, Childcare
    Member of
    Master Builders NT, CAL, NT Chamber of Commerce
    More about Sunbuild

    Sunbuild is a privately owned Darwin builder run by Neil and Desley Sunners since 1994. The firm says it has delivered more than 320 projects valued from $1 million to $88 million, across offices, fitouts, childcare centres, warehouses, apartment towers, defence and government work.

    It offers design and construct, standard construction contracts and fitouts, and says it can rework client drawings into a more practical design that costs less to build. Its fitout work includes the ANZ refurbishment and 60 Smith Street. At the 2026 Master Builders NT awards it won the $5 million to $10 million commercial category for Palmerston Central and the $50 million to $100 million category for the Northern Land Council office precinct.

    Awards: 2026 Master Builders NT Excellence in Building and Construction Awards: Commercial/Industrial Construction $5 million to $10 million, winner (Palmerston Central); 2026 Master Builders NT Excellence in Building and Construction Awards: Commercial/Industrial Construction $50 million to $100 million, winner (Northern Land Council Office Precinct)

    08 8924 6200Visit website
  3. 3

    C&R Constructions

    Berrimah. Darwin and the Northern Territory

    5.0 from 3 Google reviews

    Best for school, medical and body corporate building works

    • Trading since October 2002, with its own Berrimah offices and workshops.
    • Won the 2026 Master Builders NT Defence award for $5 million to $20 million.
    • Long project list of schools, medical centres and office fitouts, plus client references.
    NT builder registration
    14988ZR Checked
    Building since
    2002
    Builds
    Education, Medical, Fitouts, Defence, Body corporate works
    Member of
    HIA
    More about C&R Constructions

    C&R Constructions was set up in October 2002 by two friends and has grown into a Berrimah-based builder with its own project managers, carpenters, apprentices and safety staff. It builds and maintains commercial, industrial, residential, government and defence facilities.

    Its project list includes work at Stuart Park, Wulagi and Girraween primary schools, Bakewell Medical Centre, Darwin Private Hospital and several office fitouts. Testimonials on its website come from school principals and a body corporate management firm. Its WP207 medical facility at Bradshaw won a Defence category at the 2026 Master Builders NT awards.

    Awards: 2026 Master Builders NT Excellence in Building and Construction Awards: Defence Project $5 million to $20 million, winner (WP207 Medical Facility Bradshaw); 2010 Master Builders NT: Alterations/Additions/Renovations $250K to $400K, winner (according to the firm)

    08 8947 4111Visit website

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  5. 4

    Asset Construction

    East Arm. Darwin, Palmerston, rural and remote NT

    5.0 from 3 Google reviews

    Best for commercial fitouts with in-house joinery

    • Runs its own joinery workshop for fitout cabinetry, according to the firm.
    • Won two 2026 Master Builders NT awards, including for Bill's Bar & Grill.
    • Fitout clients include Finlaysons Lawyers, Elders Real Estate and Top End Medical Centre.
    NT builder registration
    376987ZR Checked
    Building since
    2014
    Builds
    Fitouts, Hospitality, Medical, Education, Retail
    Member of
    Master Builders NT, Interior Fitout Association, CAL accredited
    More about Asset Construction

    Asset Construction was founded in 2014 by Jeremy McLean, who brought a background in Melbourne commercial fitouts to Darwin. It started in shopfitting and interiors and now also does new builds and refurbishments for retail, hospitality, corporate, medical and education clients.

    The firm runs a design and construct process, working with architects from the brief and budget stage, and makes custom joinery in its own workshop. Projects include Finlaysons Lawyers, Elders Real Estate, Mindil Beach Casino Resort and several schools. At the 2026 Master Builders NT awards it won the entertainment and recreation facility category for Bill's Bar & Grill.

    Awards: 2026 Master Builders NT Excellence in Building and Construction Awards: Entertainment, Sporting and Recreation Facility of the Year, winner (Bill's Bar & Grill); 2026 Master Builders NT Excellence in Building and Construction Awards: Commercial and Retail Fit out under $500,000, winner (Holy Spirit Auditorium)

    08 8947 6999Visit website
  6. 5

    GT Builders

    Winnellie. Darwin and remote Northern Territory

    Best for apartment and mixed-use buildings

    • Family business founded in Darwin in 2000, led by the founder's three sons.
    • Building a nine-storey mixed-use tower at 68 Cavenagh Street, according to the firm.
    • Directors personally manage each project through to handover, the firm says.
    NT builder registration
    15467ZU Checked
    Building since
    2000
    Builds
    Multi-residential, Commercial, Industrial, Mixed use
    More about GT Builders

    GT Builders was founded in Darwin in 2000 by Antonios Tsougranis and is run by his sons Paul, Tommy and George. It builds low, mid and high-rise apartments, commercial and industrial buildings and government projects, and also develops some of its own buildings.

    Past projects listed on its website include Palmerston Shopping Centre, Karama Central and Kim on Smith. Current work includes a nine-storey building at 68 Cavenagh Street with 24 apartments over ground-floor shops, and an NT Government contract for remote community housing at Maningrida. The firm says the directors oversee every stage of each job.

    08 8947 4049Visit website
  7. 6

    Jaytex Construction

    Darwin CBD. Darwin, Alice Springs and South Australia

    3.0 from 6 Google reviews

    Best for design and construct for education and commercial clients

    • Started in Darwin in 1997 and now runs offices in Darwin, Alice Springs and Adelaide.
    • Its Parap Preschool won 2026 Master Builders NT Education Facility of the Year.
    • Has in-house design and BIM capability, and ISO accredited systems, the firm says.
    NT builder registration
    242313ZU Checked
    Building since
    1997
    Builds
    Design and construct, Education, Fitouts, Industrial, Mixed use
    More about Jaytex Construction

    Jaytex Construction began in Darwin in 1997 as a concreting business started by Brett Dixon, and grew into a commercial, industrial and government builder now led by managing director Matthew Moss. It has offices in Darwin, Alice Springs and Adelaide.

    The firm focuses on medium to large commercial projects, often on a design and construct basis with its own design and BIM team. Darwin projects include buildings at Darwin Corporate Park, Darwin Mazda, the Darwin Turf Club and Haileybury Rendall School. Its Parap Preschool won Education Facility of the Year at the 2026 Master Builders NT awards.

    Awards: 2026 Master Builders NT Excellence in Building and Construction Awards: Education Facility of the Year, winner (Parap Preschool)

    08 8924 0880Visit website
  8. 7

    PTM Group

    Parap. Darwin, regional and remote Northern Territory

    3.0 from 2 Google reviews

    Best for education, multi-unit and remote community projects

    • Darwin family business since 1978, now run by the founder's sons.
    • Holds ISO 9001 and ISO 45001 accreditation and is CAL accredited, according to its website.
    • Won a 2014 national Master Builders medium density award for Defence housing in Muirhead, according to the firm.
    NT builder registration
    14122ZU Checked
    Building since
    1978
    Builds
    Commercial, Education, Multi-residential, Remote, Hospitality
    Member of
    CAL accredited, ISO 9001, ISO 45001
    More about PTM Group

    PTM Group was established in Darwin in 1978 by Peter Papadakis and is now managed by his sons Tony and Michael. It builds commercial and industrial buildings, refurbishes commercial and government buildings, and delivers education, multi-unit housing and remote community projects such as schools, clinics and police stations.

    Recent work on its website includes a Cavenagh Street shade structure in the CBD, and it has been awarded the Ludmilla Primary School redevelopment. The firm lists Master Builders awards going back more than a decade, including the 2012 President's Award for Nemarluk School.

    Awards: 2014 Master Builders National Awards: Medium Density over 5 dwellings, winner (according to the firm); 2012 Master Builders NT: President's Award and Public Buildings under $15 million, winner, Nemarluk School (according to the firm)

    08 8942 2200Visit website
  9. 8

    M+J Builders

    Winnellie. Darwin, Alice Springs, Katherine and remote NT

    3.1 from 12 Google reviews

    Best for commercial fitouts and new builds with local Indigenous participation

    • Majority Indigenous-owned, and engages local Indigenous trades and suppliers, according to the firm.
    • Delivered the new KFC Stuart Park on a vacant lot, opened November 2024.
    • Won the 2023 HIA NT Small Commercial Project award for a fitout.
    NT builder registration
    192511ZR Checked
    Builds
    Commercial, Fitouts, Hospitality, Government, Defence
    Member of
    CAL
    More about M+J Builders

    M+J Builders is a majority Indigenous-owned Territory builder based in Winnellie that says it has been operating for more than 15 years. It builds commercial, defence and government projects in Darwin, Alice Springs, Katherine and remote communities, along with fitouts, roofing and some high-end residential work.

    Recent commercial work includes the new KFC at Stuart Park, built from a vacant lot to the franchise's specifications. One of its fitouts won the 2023 HIA Northern Territory Small Commercial Project award. The firm says it holds CAL certification and works with local Indigenous trades, especially on remote jobs.

    Awards: 2023 HIA Northern Territory Housing Awards: Small Commercial Project, winner

    08 8998 9669Visit website

Commercial building costs in Darwin

Rates per square metre. Darwin has the highest top-end warehouse rate RLB publishes for any capital. Tender prices rose 5.0% in 2025, with the same forecast for 2026.

WorkTypical cost
Office fitout, open plan to fully partitioned$1,680 to $4,500 per sqm
Retail, small shops and showrooms$2,000 to $2,800 per sqm
Warehouse, single storey$1,360 to $2,000 per sqm
Medical clinic fitout in an existing shell (national, indicative)$1,500 to $3,000 per sqm

Office, retail and warehouse rates are from the RLB Riders Digest 2026 for Darwin, priced at the end of 2025, and exclude GST, land, site works and professional fees. The warehouse rate is a 4,500 sqm single storey shed without offices. The medical range is a national MedicalSearch figure (July 2026), indicative only.

Procurement and contracts for a Darwin project

Darwin's build season and freight lead times shape the program. Pick a delivery method that gets materials ordered early.

Three routes cover most Darwin projects at this size.

  • Construct only. Your architect and engineers finish the design and builders price the same set of drawings. Easiest to compare. Anything missing from the design is your risk and comes back as a variation.
  • Design and construct. The builder develops the design, often from your concept or a planning approval, and gives one price. One party answers for design and build, but the builder will choose the cheapest way to meet your brief unless the brief is specific.
  • Early contractor involvement. You pay a builder to join during design, test buildability and cost as the drawings develop, then negotiate the build contract. Good for old buildings and tight programs. You give up a clean competitive tender.

Standard contracts

Use an industry standard form, amended by a construction lawyer, rather than the builder's own terms. Standards Australia published AS 4000:2025 in June 2025; it supersedes AS 2124-1992 and updates AS 4000-1997. AS 4902-2000 is still the current design and construct form, with a review planned. Where an architect administers the contract, the ABIC contracts from Master Builders Australia and the Australian Institute of Architects (MW-2018 for larger jobs, SW-2018 for simpler ones) come in a version for each state and territory. Ask for the Northern Territory version.

Tender or negotiate

Tender to three or four builders on full documents if you have time. Darwin's pool of mid-size commercial builders is small. Where long-lead items like structural steel, switchboards or air conditioning plant drive the program, early contractor involvement lets a builder order ahead. Have a quantity surveyor check any negotiated price. Our fixed price vs cost plus guide covers pricing models.

Permits and registration for commercial work in Darwin

A registered building certifier issues the building permit in the NT.

In NT building control areas, a registered building certifier grants the building permit. When the work is finished, the builder gives the certifier a builder's declaration. Planning or development consent may also be needed for a new use or new building, so check that with your certifier or a planner before you sign a lease.

Which NT registration

The NT registers builders by category. For commercial work, look for:

  • Building contractor commercial (restricted): class 1b and class 3 to 9 buildings up to 3 storeys.
  • Building contractor commercial (unrestricted): those classes at any height.

Apartment buildings (class 2) fall under the residential categories in the NT. Residential (unrestricted) covers any class 2 building, while residential (restricted) stops at 2 storeys. A mixed-use job may need a builder registered in both. Search the NT Public Register of Building Practitioners; our licence check guide shows how.

How to choose a commercial builder in Darwin

  • Relevant work. Ask for recent jobs of your type and value, and how the builder handled the wet season. Cyclone-rated design and tropical services are everyday work in Darwin; make sure your builder treats them that way.
  • Financial capacity. Ask for financial statements or a credit report, turnover and current workload. Freight and long-lead orders put more cash at risk early in a Darwin job than in the southern capitals.
  • Subcontractor payment. The NT's Construction Contracts (Security of Payments) Act 2004 aims to secure payments under construction contracts and gives a fast adjudication process for payment disputes. Ask how the builder pays its trades.
  • Insurance. Get certificates of currency for contract works, public liability and workers compensation. NT residential building cover applies to homes, not commercial work.
  • References. Call past clients and a subcontractor. Use our questions to ask a builder.

Checking an NT builder's registration

It takes a couple of minutes, and it's the same check we ran for every builder above.

  1. Search the public register

    Search the NT Public Register of Building Practitioners by name or registration number. NT Public Register of Building Practitioners

  2. Check registration is current

    The registration should be current on the day you sign, not just when you got the quote.

  3. Check the sub-category

    For a home you want building contractor residential (restricted), which covers houses and buildings up to 2 storeys, or residential (unrestricted). Commercial categories cover offices, shops and other non-residential buildings.

  4. Match the contract

    The registration number written into the residential building contract must match the register. NT Government: check if your builder is registered

How we chose these builders

We started from builders working across Darwin, then kept only those with a current Building Practitioners Board licence, a clear record of commercial work on their own site, and a solid independent reputation. Order weighs fit for this kind of project, reviews and awards, years trading, and how openly each builder explains its process, licence and warranty. Size and advertising spend don't count.

No builder pays to be listed or ranked. If you request quotes through this page, we pass your project to builders that suit it. Read the full method.

Commercial builders in Darwin: common questions

How much does an office fitout cost per square metre in Darwin?

RLB's 2026 Darwin figures put a good quality office fitout at $1,680 to $4,500 per sqm, excluding GST and including workstations and loose furniture. Open plan sits at the low end; fully partitioned professional offices at the top.

Why do warehouses cost more in Darwin?

RLB's 2026 range for a single storey Darwin warehouse is $1,360 to $2,000 per sqm, the highest top end of the capitals it publishes. Perth, by comparison, is $840 to $1,600. RLB doesn't break down why, so ask each builder what it has allowed for freight and wet-season delays.

What registration does a commercial builder need in the NT?

Building contractor commercial (restricted) for class 1b and 3 to 9 buildings up to 3 storeys, or commercial (unrestricted) for those classes at any height. Apartment buildings come under the residential categories. Check the NT Public Register of Building Practitioners.

Who issues the building permit in Darwin?

A registered building certifier, in NT building control areas. At completion, the builder gives the certifier a builder's declaration.

What law covers payment disputes on a Darwin project?

The Construction Contracts (Security of Payments) Act 2004. Its object is to secure payments under construction contracts and provide adjudication of payment disputes. Read your contract's payment clauses with your lawyer before signing.

Is there insurance cover if my commercial builder goes broke?

Not under a government scheme. NT residential building cover applies to homes. On a commercial job, protect yourself with bank guarantees or retentions in the contract, progress payments that match work done, and a builder with solid finances.

This list is a guide only. Check the builder's licence, insurance and contract yourself before you sign.